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Topic Review (Newest First)

10-08-2014 06:29 AM

captainbob

Quote:

Originally Posted by 1930sedan

How wide is a 30 model a rear end ?

Much wider than a model's rear end.

02-25-2014 05:12 PM

1930sedan

How wide is a 30 model a rear end ?

01-27-2014 09:38 PM

DanTwoLakes

As will I.

01-27-2014 06:32 PM

John long

I agree with Dan. I am not a professional trimmer but no matter how you fold a piece of material, it can not be longer than the piece you folded.

If Billblyth has something to show us I will be more than willing to look at it.

John

01-27-2014 02:24 PM

DanTwoLakes

The reality of it is that a yard of fabric, whether it's vinyl, fabric, or Ultraleather, is 36" wide and 54" long. No matter what happens, or how you fold that piece of fabric, the largest piece you can cut out of it is a little over 63" long, cut on a straight line, or if you cut an oval around the perimeter, it would be, at most, 15 feet long. 6 feet of that would be cut straight across the top and bottom of the yard of fabric, and 9 feet would be perfectly vertical, defeating the whole "cutting on a bias" concept. I suppose you could spiral around and use up the whole yard of vinyl by marking it progressively inside of the outside spiral, but to what purpose? The tighter the turns got the harder it would be to sew. That isn't bias cutting, marking it out would take a long time, and the result would be no different than one long piece of straight cut vinyl, but it would take 5 times as long to cut and sew. Wider strips, like would be needed for windlace, would take up twice as much fabric, be twice as much shorter, and would be even harder to sew.

Say you got 75 feet of regular welt cord out of the yard of vinyl by cutting it on a spiral. (I'm sure it would be a lot less) A yard of vinyl would be around 1944 square inches, and a straight strip of vinyl would be 112.5 square inches. Again, it would not make any sense to waste all that vinyl to make a welt that isn't going to be any better at turning a corner than a straight strip.

01-27-2014 08:11 AM

John long

Quote:

Originally Posted by Billblyth

Not cutting it on a bias......using old japanese fold and cut..its probably on Google been known by trimmers for many years just as hand folding diamonds for tufting. Have a great week

I have not been able to find this or anyone who can tell me how you could do it.

Please educate us..........

John

01-27-2014 07:36 AM

DanTwoLakes

I did read what you wrote, you said you cut all your welts on the bias or a curve. ( "I always cut mine on a curve or bias...problem goes away" ) Sorry, I still say you can't cut 20 feet of welt or more from a yard of fabric without splices, no matter how you fold the fabric or what angle or curve you cut it on. Show me.

01-26-2014 10:14 PM

Billblyth

Not cutting it on a bias...didnt say I was if you will read what I wrote..Just asked a question...using old japanese fold and cut..its probably on Google been known by trimmers for many years just as hand folding diamonds for tufting. Have a great week

01-26-2014 04:51 PM

DanTwoLakes

No, I can't do that and neither can you, not without any splices. Not if you cut the fabric on a true 45 degree bias. How about a tutorial showing how to do it?

01-26-2014 01:50 PM

Billblyth

I could see by the photo it was not soft pliable material..there for my comment on Bias...All is well 2lakes...you have just another 10 or so years to catch me. I am sure like me, you can cut 20 feet of welt cord vinyl without any splices from 1 yard of vinyl..maybe more depending on how you fold the yardage
Best regards
Bill

01-26-2014 10:40 AM

DanTwoLakes

Bias cutting may have been necessary 55 years ago when vinyl was stiff and unforgiving, but now days it's not necessary. The new vinyls are soft and pliable and have been for a long time. If you want to waste 5 yards of vinyl cutting it on the bias to make windlace, be my guest. But hey, I've only been doing this for 40 years so what do I know?

01-25-2014 03:10 PM

Billblyth

Quote:

Originally Posted by duh57

Hey man, I have won many grand national bestt interiors awards. So it takes a little more material to make it almost perfect , so what ! You can cut it on the Bias at 15 feet and get wrinkel free, been hhere and done that! sorry if i cant explain as Dan does, just trying to help

Here...here!!! I agree but hey, I've only been doing custom interiors for 55 years so what the hell do I know?

01-17-2014 06:27 AM

UJSLOST

I think I understand now.

01-17-2014 04:29 AM

DanTwoLakes

Bias cutting just means cutting the material on an angle. The idea is that by cutting on the bias, the fabric will turn a corner more easily. In 40 years of doing upholstery work, I've never cut any welt on a bias, and have never had a problem.

01-16-2014 06:57 PM

UJSLOST

yeah so Im still not following the whole idea of what bias cutting is. someone got a video to help out?

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